﻿<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <style>
        table {
            margin:100px auto;
           
            text-align: center;
            border-collapse: collapse;
            font-size: 14px;
        }
        thead tr {
            border: 1px solid #000000;
        }
        tbody {
            border: 1px solid #d7d7d7;
        }
        tbody tr {
            border-bottom: 1px solid #d7d7d7;
            font-size: 12px;
            color: blue;
        }
        .bg {
            background-color: yellowgreen;
        }
    </style>
</head>
<body>
    <table>
            <thead>
                <tr>
                    <th>代码</th>
                    <th>名称</th>
                    <th>最新公布净值</th>
                    <th>累计净值</th>
                    <th>前单位净值</th>
                    <th>净值增长率</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
                <tr>
                    <td>003526</td>
                    <td>农银金穗3个月定期开放债券</td>
                    <td>1.075</td>
                    <td>1.079</td>
                    <td>1.074</td>
                    <td>+0.047%</td>
                </tr>
            </tbody>
        </table>
    <script>
        /* 
         需求：
             1. 鼠标进入tr，tr添加 class bg
             2. 鼠标离开tr，tr的class 清空
       */
        let trs = document.querySelectorAll('tr');
        for (let i = 0; i < trs.length; i++) {
            trs[i].onmouseenter = function () {
                this.className = 'bg';
            }
            trs[i].onmouseleave = function () {
                this.className = '';
            }
        }
    </script>
    </body>
</html>